Add build badge

Author: mrmckeb

README.md

@@ -1,7 +1,8 @@
 # typescript-plugin-css-modules
 
-[![license](https://img.shields.io/npm/l/typescript-plugin-css-modules.svg)](https://github.com/mrmckeb/typescript-plugin-css-modules/blob/develop/LICENSE)
+[![CircleCI branch](https://img.shields.io/circleci/project/github/mrmckeb/typescript-plugin-css-modules/master.svg)](https://circleci.com/gh/mrmckeb/typescript-plugin-css-modules)
 [![npm](https://img.shields.io/npm/v/typescript-plugin-css-modules.svg)](https://www.npmjs.com/package/typescript-plugin-css-modules)
+[![license](https://img.shields.io/npm/l/typescript-plugin-css-modules.svg)](https://github.com/mrmckeb/typescript-plugin-css-modules/blob/develop/LICENSE)
 
 A [TypeScript language service plugin](https://github.com/Microsoft/TypeScript/wiki/Writing-a-Language-Service-Plugin)
 for [CSS Modules](https://github.com/css-modules/css-modules).